Cognitive dysfunction in patients with multiple sclerosis treated with different types of interferon beta: A randomized clinical trial. Mokhber N, Azarpazhooh A, Orouji E, Rao SM, Khorram B, Sahraian M A, Foroghipoor M, Gharavi M M, Kakhi S, Nikkhah K, et al. J Neurol Sci. 2014 Feb 4. PMID: 24841321. Abstract CommentRecommendBookmarkWatch